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117854 (2005 JE156)
Classification: Main-belt Asteroid          SPK-ID: 2117854
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08527885466601805 4.9287e-08  
a 2.400168965091418 1.6839e-08 au
q 2.1954853047435 1.2052e-07 au
i 6.419917160411356 6.1267e-06 deg
node 227.1477566303106 5.3806e-05 deg
peri 15.65384655499508 6.7376e-05 deg
M 9.40551930349568 3.9844e-05 deg
tp 2458965.015276213431
(2020-Apr-25.51527621)
0.00015031 TDB
period 1358.191945703323
3.72
1.4293e-05
3.913e-08
d
yr
n .2650582645103072 2.7894e-09 deg/d
Q 2.604852625439336 1.8275e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      8505 days (23.29 yr)  
   first obs. used      1995-10-15  
   last obs. used      2019-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5813  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:49:58  

Additional Information
 Earth MOID = 1.18357 au 
 Jupiter MOID = 2.39631 au 
 T_jup = 3.513 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO422408  

117854 (2005 JE156)          Discovered 2005-May-04 by Mt. Lemmon Survey at Mt. Lemmon
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 JE156 = 1995 TF7 = 1999 YW10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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